Watch: 2026 to be driest in 11 years. How badly can a deficient monsoon hit crop output?
India is expected to have a ‘deficient’ monsoon this year. What does a dry period mean for our crops and the agricultural economy? Here’s a look at how weak monsoon years have affected foodgrain production, reservoirs and India’s farm sector in the past.
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Context
Predictions indicate that 2026 is expected to witness a deficient monsoon, potentially making it the driest year in over a decade. This forecast raises critical concerns regarding its cascading effects on India's agricultural output, rural economy, and national reservoir levels. Understanding the historical impact of weak monsoons is crucial for anticipating challenges in food security and farm incomes.
UPSC Perspectives
Geographical
The Indian monsoon is a complex meteorological phenomenon primarily driven by the differential heating of land and water, creating a low-pressure system over the Indian subcontinent that draws moisture-laden winds from the Indian Ocean. A deficient monsoon, technically defined by the (IMD) as rainfall less than 90% of the Long Period Average (LPA), is often linked to global climatic events like . During an El Niño year, warming of the central and eastern Pacific Ocean disrupts the normal atmospheric circulation (Walker Circulation), typically leading to suppressed rainfall over India. For UPSC Geography, understanding the mechanics of the monsoon, including the role of the Somali Jet, Mascarene High, and the Indian Ocean Dipole (IOD), is essential. A positive IOD can sometimes mitigate the negative impacts of El Niño, highlighting the intricate interplay of oceanic and atmospheric factors governing India's primary water source.
Economic
India's agricultural sector, despite a declining share in GVA, employs nearly half the workforce and is structurally dependent on rainfall, with over 50% of the net sown area being rainfed. A deficient monsoon directly threatens Kharif crop yields (like paddy, maize, and pulses), leading to potential supply shocks and subsequent food inflation. This scenario can exacerbate distress in the rural economy, dampening rural demand which is a key driver of overall economic growth. Furthermore, a poor monsoon stresses the agricultural supply chain, affecting agro-based industries. To manage such economic shocks, tools like the Minimum Support Price (MSP) and the (PMFBY) are critical, though their effectiveness during widespread drought is often tested. From an economic perspective, the long-term solution lies in reducing monsoon dependency through enhanced micro-irrigation, climate-resilient agriculture, and crop diversification.
Governance
A predicted dry year necessitates proactive governance and disaster management strategies. The (CWC) monitors reservoir levels, which are critical not only for irrigation but also for drinking water and hydroelectric power generation. A deficient monsoon reduces reservoir inflows, requiring careful water allocation and demand-side management. In severe cases, state governments may declare a drought, triggering relief measures under the (NDRF). Governance challenges include ensuring the timely disbursement of crop insurance claims, managing potential fodder shortages, and implementing schemes like effectively to provide alternative livelihoods and build water-harvesting structures. The situation underscores the need for robust drought mitigation strategies, transitioning from reactive relief to proactive drought-proofing through integrated watershed management and localized water security plans.